There is a possibility that you could brick your NAS with these instructions. Please make sure that you read the entire page carefully. These instructions may void your warranty. Proceed at your own risk.

Configure mount points (/etc/fstab)
WARNING: Do not modify the last column... any value other than zero will cause the device to hang on startup. Basically, the device fails to detect the raid drives, sends the failure message to the console, waits for keyboard input (that can never arrive), and cannot respond to pings or any other network traffic. Don't find out the hard way.